test: fix unflushed edit history test, create TLF first
test: fix unflushed edit history test, create TLF first

Issue: KBFS-3081

keybase/kbfs,keybase/kbfs,keybase/client,keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/client,keybase/client,keybase/client